Method of forming identifying indicium on cathode ray tubes

Details Method of forming identifying indicium on cathode ray tubes Method of forming identifying indicium on cathode ray tubes

1988-01-27

1988-12-13

Albritton, C. L.

Electric heating

Metal heating

By arc

346 76L, 427 531, B23K 2600

Patent

active

047912677

ABSTRACT:
A method for forming an identifying indicia on a cathode ray tube being manufactured, which method is practiced by applying a paint containing a powdered metal to a particular exterior surface portion of a glass envelope, forming a part of the cathode ray tube, to form a solid paint layer, followed by the radiation of a laser beam onto at least a portion of the solid paint layer to form the identifying indicia represented by at least one trace of plasticized deformation on a surface region of the solid paint layer.

REFERENCES:
patent: 4323755 (1982-04-01), Nierenberg

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